[INFO] updating cached repository mwalczyk/machina-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mwalczyk/machina-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/machina-rs" "work/ex/clippy-test-run/sources/stable/gh/mwalczyk/machina-rs"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mwalczyk/machina-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/machina-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mwalczyk/machina-rs"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mwalczyk/machina-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 09e1afa5d1f15fca541b27f7f736bde6b6624d81 [INFO] sha for GitHub repo mwalczyk/machina-rs: 09e1afa5d1f15fca541b27f7f736bde6b6624d81 [INFO] validating manifest of mwalczyk/machina-rs on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mwalczyk/machina-rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mwalczyk/machina-rs [INFO] finished frobbing mwalczyk/machina-rs [INFO] frobbed toml for mwalczyk/machina-rs written to work/ex/clippy-test-run/sources/stable/gh/mwalczyk/machina-rs/Cargo.toml [INFO] started frobbing mwalczyk/machina-rs [INFO] finished frobbing mwalczyk/machina-rs [INFO] frobbed toml for mwalczyk/machina-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mwalczyk/machina-rs/Cargo.toml [INFO] crate mwalczyk/machina-rs has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting mwalczyk/machina-rs against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/mwalczyk/machina-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d90c991ceb6aba58b968dc01dbfc4dfdcdc6437283014df74ec0ec41c1079fb7 [INFO] running `"docker" "start" "-a" "d90c991ceb6aba58b968dc01dbfc4dfdcdc6437283014df74ec0ec41c1079fb7"` [INFO] [stderr] Compiling matrixmultiply v0.1.13 [INFO] [stderr] Checking csv v0.14.7 [INFO] [stderr] Checking rulinalg v0.4.2 [INFO] [stderr] Checking machina-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/nearest_neighbor.rs:29:27 [INFO] [stderr] | [INFO] [stderr] 29 | NearestNeighbor { k: k, xtr: None, ytr: None } [INFO] [stderr] | ^^^^ help: replace it with: `k` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/nearest_neighbor.rs:29:27 [INFO] [stderr] | [INFO] [stderr] 29 | NearestNeighbor { k: k, xtr: None, ytr: None } [INFO] [stderr] | ^^^^ help: replace it with: `k` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rulinalg::vector::Vector` [INFO] [stderr] --> src/neural_network.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rulinalg::vector::Vector; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/neural_network.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/neural_network.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | final_outputs [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_and_return)] on by default [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/neural_network.rs:78:29 [INFO] [stderr] | [INFO] [stderr] 78 | let final_outputs = final_inputs.apply(&NeuralNetwork::sigmoid_activation); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use nearest_neighbor::NearestNeighbor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude::*` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::Path` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::path::Path; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rulinalg::vector::Vector` [INFO] [stderr] --> src/neural_network.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rulinalg::vector::Vector; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::Rng` [INFO] [stderr] --> src/neural_network.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use rand::Rng; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly. [INFO] [stderr] --> src/neural_network.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | final_outputs [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::let_and_return)] on by default [INFO] [stderr] note: this expression can be directly returned [INFO] [stderr] --> src/neural_network.rs:78:29 [INFO] [stderr] | [INFO] [stderr] 78 | let final_outputs = final_inputs.apply(&NeuralNetwork::sigmoid_activation); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return [INFO] [stderr] [INFO] [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use nearest_neighbor::NearestNeighbor; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:126:22 [INFO] [stderr] | [INFO] [stderr] 126 | let score: f64 = sum as f64 / score_card.len() as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(sum)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:126:22 [INFO] [stderr] | [INFO] [stderr] 126 | let score: f64 = sum as f64 / score_card.len() as f64; [INFO] [stderr] | ^^^^^^^^^^ help: try: `f64::from(sum)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.42s [INFO] running `"docker" "inspect" "d90c991ceb6aba58b968dc01dbfc4dfdcdc6437283014df74ec0ec41c1079fb7"` [INFO] running `"docker" "rm" "-f" "d90c991ceb6aba58b968dc01dbfc4dfdcdc6437283014df74ec0ec41c1079fb7"` [INFO] [stdout] d90c991ceb6aba58b968dc01dbfc4dfdcdc6437283014df74ec0ec41c1079fb7